Volume 9 Number 8 (Aug. 2014)
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JSW 2014 Vol.9(8): 2232-2240 ISSN: 1796-217X
doi: 10.4304/jsw.9.8.2232-2240

Single-Carrier Space Time Transmission Diversity with Decision Feedback Equalization Over Frequency-Selective Fading Channels

Qifeng Zou1, 2, Xuezhi Tan1, 2, Mei Liu1, Yonggang Chi1, 2
1School of Electronics and Information Engineering, Harbin Institute of Technology
2Science and Technology on Information Transmission and Dissemination in Communication Networks Laboratory Harbin 150080, China


Abstract—In order to suppress inter-symbol interference (ISI), the Frequency domain decision feedback equalization (FD-DFE) algorithm is proposed in this paper for single carrier frequency domain equalization (SC-FDE) combined with Alamouti space time block coding (STBC) systems over frequency-selective channels. We use the cyclic prefix (CP) and two transmit antennas to achieve the significant diversity gain. The feedback equalization part is designed by Mean Square Error (MSE) criterion and the coefficients of filters are all in the frequency domain for the given channel frequency response. The outage and diversity analysis of system is also made to measure the equalization performance. Finally, the simulation results show that the proposed algorithm has better performance than the conventional liner equalization (LE) and hybrid structure decision feedback equalization (HDFE) schemes, and the computational complexity of our method is acceptable.

Index Terms—decision feedback equalization (DFE); Single Carrier Frequency Domain Equalization (SC-FDE); space time block coding (STBC); MSE; diversity

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Cite: Qifeng Zou, Xuezhi Tan, Mei Liu, Yonggang Chi, "Single-Carrier Space Time Transmission Diversity with Decision Feedback Equalization Over Frequency-Selective Fading Channels," Journal of Software vol. 9, no. 8, pp. 2232-2240, 2014.

General Information

ISSN: 1796-217X (Online)
Frequency:  Bimonthly (Since 2020)
Editor-in-Chief: Prof. Antanas Verikas
Executive Editor: Ms. Yoyo Y. Zhou
Abstracting/ Indexing: DBLP, EBSCO, Google Scholar, ProQuest, INSPEC(IET), ULRICH's Periodicals Directory, WorldCat, etc
E-mail: jsw@iap.org
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